package io.github.pigmesh.ai.deepseek.core.chat;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.PropertyNamingStrategies;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonNaming;
import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;

import java.util.Objects;

@JsonDeserialize(builder = FunctionCall.Builder.class)
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
public class FunctionCall {

	@JsonProperty
	private final String name;

	@JsonProperty
	private final String arguments;

	private FunctionCall(Builder builder) {
		this.name = builder.name;
		this.arguments = builder.arguments;
	}

	public String name() {
		return name;
	}

	public String arguments() {
		return arguments;
	}

	@Override
	public boolean equals(Object another) {
		if (this == another)
			return true;
		return another instanceof FunctionCall && equalTo((FunctionCall) another);
	}

	private boolean equalTo(FunctionCall another) {
		return Objects.equals(name, another.name) && Objects.equals(arguments, another.arguments);
	}

	@Override
	public int hashCode() {
		int h = 5381;
		h += (h << 5) + Objects.hashCode(name);
		h += (h << 5) + Objects.hashCode(arguments);
		return h;
	}

	@Override
	public String toString() {
		return "FunctionCall{" + "name=" + name + ", arguments=" + arguments + "}";
	}

	public static Builder builder() {
		return new Builder();
	}

	@JsonPOJOBuilder(withPrefix = "")
	@JsonIgnoreProperties(ignoreUnknown = true)
	@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
	public static final class Builder {

		private String name;

		private String arguments;

		private Builder() {
		}

		public Builder name(String name) {
			this.name = name;
			return this;
		}

		public Builder arguments(String arguments) {
			this.arguments = arguments;
			return this;
		}

		public FunctionCall build() {
			return new FunctionCall(this);
		}

	}

}
